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MAX9725CETC Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX9725CETC Datasheet(HTML) 3 Page - Maxim Integrated Products |
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3 / 17 page  1V, Low-Power, DirectDrive, Stereo Headphone Amplifier with Shutdown _______________________________________________________________________________________ 3 ELECTRICAL CHARACTERISTICS (MAX9725A–MAX9725D) (continued) (VDD = 1.5V, VPGND = VSGND = 0V, VSHDN = 1.5V, VSS = VPVSS, C1 = C2 = 1µF, CIN = 1µF, RL = ∞, TA = TMIN to TMAX, unless other- wise noted. Typical values are at TA = +25 °C.) (See the Functional Diagrams.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS RL = 32 Ω, POUT = 12mW, f = 1kHz 0.006 Total Harmonic Distortion Plus Noise THD+N RL = 16 Ω, POUT = 15mW, f = 1kHz 0.015 % BW = 22Hz to 22kHz 89 Signal-to-Noise Ratio SNR RL = 32 Ω, POUT = 12mW A-weighted filter 92 dB Slew Rate SR 0.2 V/µs Maximum Capacitive Load CL No sustained oscillations 150 pF Crosstalk XTALK fIN = 1.0kHz, RL = 32 Ω, POUT = 5mW 100 dB Into shutdown 72.8 Click-and-Pop Level KCP RL = 32 Ω, peak voltage, A-weighted, 32 samples per second (Note 4) Out of shutdown 72.8 dBV ESD Protection VESD Human Body Model (OUTR, OUTL) ±8 kV ELECTRICAL CHARACTERISTICS (MAX9725E) (VDD = 1.5V, VPGND = VSGND = 0V, VSHDN = 1.5V, VSS = VPVSS, C1 = C2 = 1µF, CIN = 1µF, RL = 32Ω, RF = 60kΩ, RIN = 10kΩ, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25 °C.) (See the Functional Diagrams.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Supply Voltage Range VDD Guaranteed by PSRR test 0.9 1.8 V Quiescent Supply Current IDD Both channels active 2.3 3.7 mA TA = +25 °C 0.6 1 Shutdown Current ISHDN VSHDN = 0V TA = -40 °C to +85°C10 µA Shutdown to Full Operation tON 180 µs VIH VDD = 0.9V to 1.8V 0.7 x VDD SHDN Thresholds VIL VDD = 0.9V to 1.8V 0.3 x VDD V SHDN Input Leakage Current ILEAK VDD = 0.9V to 1.8V (Note 2) ±1µA CHARGE PUMP Oscillator Frequency fOSC 483 592 687 kHz AMPLIFIERS Voltage Gain AV (Note 5) -6.11 -6.07 -6.00 V/V Minimum Stable Gain ΔAV -1.0 V/V Total Output Offset Voltage VOS Input AC-coupled, RL = 32 Ω to GND, TA = +25 °C (Note 6) ±0.63 ±2.1 mV Input Resistance RIN 6.3 9.78 14 k Ω INR, INL Input Leakage Current ILK ±100 nA Maximum Input Parasitic Capacitance CPAR 5pF VDD = 0.9V to 1.8V, TA = +25 °C 52.9 67.8 fIN = 1kHz 70 Power-Supply Rejection Ratio PSRR 100mVP-P ripple (Note 5) fIN = 20kHz 62 dB |
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